TWM500379U - A usb female connector - Google Patents

Description

USB female connector

This creation relates to the field of USB connector technology, and in particular to a USB3.0 C TYPE female connector.

USB is an external bus standard that regulates the connection and communication between a computer and an external device. Because the USB interface has many advantages such as plug and play, hot swappable, fast transmission speed, flexible connection, etc., it is widely used in various electronic devices such as computers, printers, scanners, mobile phones, digital cameras, etc. USB female connectors also follow It has become an indispensable part of many electronic devices.

With the development of electronic technology, the functional requirements of electronic devices are higher, so the USB3.0 C TYPE interface has been introduced. The existing female connector conforming to the USB3.0 C TYPE specification mainly comprises a casing, an insulating body and a terminal, and the insulating body is provided with two rows of terminal slots, the front end of the insulating body extends out of the tongue plate, and the upper and lower rows of terminals are The contact portions are respectively disposed on the upper and lower surfaces of the tongue plate. During assembly, the upper and lower rows of terminals are respectively stamped and formed into the terminal slots, and the contact portions of the upper and lower rows of terminals are respectively disposed on the upper and lower surfaces of the tongue plate. The main drawbacks of its existence are:

1. The terminal is assembled in a split type, and the defect rate will increase during the assembly process, resulting in an increase in production cost, which is not conducive to improving the production efficiency and productivity of the finished product assembly;

2. The structure of the insulating body is complicated. Correspondingly, the plastic mold has a complicated structure, the process is unstable, and the production efficiency is low, which is not conducive to improving the production efficiency and productivity of the plastic molding;

3. The tongue plate is directly injection molded, and the tongue is low in strength and easy to break.

The purpose of this creation is to provide a USB female connector, which is simple and convenient to assemble, improves production efficiency and product yield, and also improves the strength of the tongue plate, thereby effectively preventing the occurrence of tongue breakage when the USB plug is inserted.

In order to achieve the above objectives, this creation uses the following technical solutions:

A USB female connector includes a housing, an insulating base, an upper connecting module and a lower connecting module, wherein the insulating base is fixed in the outer casing, and the upper connecting module is fixed to the lower connecting module And mounted on the insulating base.

Preferably, the upper connection module comprises an integrally connected upper terminal block and an upper conductive terminal, the upper conductive terminal is fixed on the upper terminal block; the lower connection module comprises an integrally connected lower seat body and a lower a conductive terminal and a metal supporting piece, wherein the lower conductive terminal is fixed on the lower seat body, the metal supporting piece is embedded in the lower seat body; and the upper terminal block is attached to the lower seat body and installed in the lower seat body On the insulating base.

Preferably, the lower base body includes a tongue plate, a limiting seat and a lower terminal block, and the tongue plate is connected to the lower terminal block through the limiting seat, and the lower terminal block is combined with the upper terminal block Mounted on the insulating base, the lower conductive terminal is fixed on the lower terminal block, and the metal supporting piece is embedded in the tongue plate.

Preferably, the upper and lower surfaces of the tongue plate are provided with terminal slots, and the upper and lower sides of the limiting seat are provided with through holes penetrating through the terminal slots, and the upper conductive terminals and the lower conductive The front sections of the terminals respectively pass through the corresponding through holes and are embedded in the corresponding terminal slots.

Preferably, the upper terminal block and the upper conductive terminal are integrally molded by insert molding, and the tongue plate, the limiting seat, the lower terminal seat, the lower conductive terminal and the metal supporting piece are integrally molded by insert molding.

Preferably, the insulating base is provided with an insertion hole capable of allowing the tongue plate and the limiting seat to pass through, and the lower terminal block and the upper terminal block are inserted into the insertion hole.

Preferably, the lower terminal block has a first fastening portion, a first positioning portion and a first stopping portion which are sequentially widened from the front end to the rear end, and the upper terminal block has a function corresponding to the lower terminal block a second fastening portion, a second positioning portion and a second stopping portion, the first fastening portion and the second fastening portion projecting from a front end of the insertion hole, the first positioning portion and the second positioning portion The portion is fixed in the insertion hole, and the first stop portion and the second stop portion abut on a periphery of a rear end of the insertion hole.

Preferably, the overall cross-sectional dimensions of the first positioning portion and the second positioning portion are adapted to the cross-sectional dimensions of the jack.

Preferably, the method further includes a fastening device having a top cover and a bottom cover, the top cover being snap-fitted with the bottom cover and enclosing the first fastening portion and the second fastening member therein One side of the top cover and the bottom cover abuts the limiting seat, and the other side abuts the front edge of the insertion hole.

Preferably, the top of the top cover is provided with a first clamping piece, the first clamping piece abuts the upper surface of the insulating base, and the bottom of the bottom cover is provided with a second clamping piece. The second clamping piece abuts against a lower surface of the insulating base.

After adopting the above technical solution, the present invention has the following advantages compared with the background art:

1. The terminal is integrally formed in the upper and lower connection modules, and the terminal insertion process is not required during assembly, the assembly is simpler and more convenient, and the production efficiency and product yield are improved.

2. The insulated base, the upper connection module and the lower connection module adopt a split design, which greatly simplifies the structure of the plastic mold, improves the instability of the process, and improves the production efficiency and productivity of the plastic molding.

3. The metal support piece is designed in the tongue plate, and is embedded in the tongue plate by insert molding (Insert Molding), which improves the strength of the tongue plate and effectively prevents the tongue plate from breaking when the USB plug is inserted.

4. The upper and lower connection modules are processed by insert molding (Insert Molding), which can realize automatic drawing and receiving, reduce the degree of manual participation, and effectively improve the stability and production efficiency of the process. Thereby reducing production costs.

In order to make the purpose, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.

Referring to FIG. 1, the present invention discloses a USB female connector, which comprises a housing 1, an insulating base 2, a lower connecting module 3, an upper connecting module 4 and a fastening device 5, wherein:

The insulating base 2 is fixed in the outer casing 1 and is provided with a socket 21.

Referring to FIG. 2, the lower connection module 3 includes an integrally connected lower body 31, a lower conductive terminal 32, and a metal support piece 33, wherein:

Referring to FIGS. 2 and 3 , the lower base 31 includes a tongue plate 311 , a limiting seat 312 and a lower terminal block 313 . The tongue plate 311 is connected to the lower terminal block 313 via the limiting seat 312 . The upper and lower surfaces of the tongue plate 311 are respectively provided with a terminal slot 3111; the upper and lower sides of the limiting seat 312 are provided with a through hole 3121 penetrating through the terminal slot 3111; the lower terminal block 313 includes the front end to the rear end sequentially The first fastening portion 3131 is extended to the front end of the insertion hole 21, and the first positioning portion 3132 is fixed in the insertion hole 21, the first fastening portion 3131 is extended to the first insertion portion 3132, and the first positioning portion 3132 is extended. A stopper portion 3133 abuts on the periphery of the rear end of the insertion hole 21.

The lower conductive terminal 32 is fixed to the lower terminal block 313, and the front portion thereof passes through the through hole 3121 on the lower side of the limiting seat 312, and is embedded in the terminal groove 3111 on the lower surface of the tongue plate 311. In order to better ensure that the lower conductive terminal 32 is in electrical contact with the conductive terminal of the USB plug, the lower conductive terminal 32 protrudes from the lower surface of the lower terminal block 313, that is, the height of the lower conductive terminal 32 is greater than the depth of the terminal slot 3111.

The metal supporting piece 33 is embedded in the tongue 311, which improves the strength of the tongue 311 and effectively prevents the occurrence of breakage of the tongue 311 when the USB plug is inserted. The metal support piece 33 is provided with a set of weight reducing holes 331. On the one hand, the weight of the product can be reduced under the premise of ensuring the strength of the tongue plate 311, and on the other hand, the concave and convex fit of the metal support piece 33 and the tongue plate 311 can be realized, and the metal is added. The adhesion strength of the support piece 33 in the tongue 311. The metal support piece 33 may also extend into the lower terminal block 313 for the purpose of increasing the strength of the tongue 311.

The tongue plate 311, the limiting seat 312, the lower terminal block 313, the lower conductive terminal 32 and the metal supporting piece 33 are integrally formed by insert molding, which can realize automatic drawing and receiving, and reduce manual participation. The degree can effectively improve the stability of the process and the production efficiency, thus reducing the production cost.

Referring to FIGS. 1 and 4, the upper connection module 4 includes an upper terminal block 41 and an upper conductive terminal 42 that are integrally connected, wherein:

The upper terminal block 41 is attached to the lower terminal block 313 and includes a second fastening portion 411, a second positioning portion 412 and a second stopping portion 413 adapted to the lower terminal block 313, that is, the second fastening portion 411 and The first fastening portions 3131 have the same length and width, the second positioning portion 412 has the same length and width as the first positioning portion 3132, and the second stopper portion 413 has the same length and width as the first stopper portion 3133. . The first fastening portion 3131 extends beyond the front end of the insertion hole 21, and the first positioning portion 3132 is fixed in the insertion hole 21, and the first stopper portion 3133 abuts on the rear end edge of the insertion hole 21. In order to meet the product assembly requirements, after the upper terminal block 41 is attached to the lower terminal block 313, the tongue plate 311, the limiting seat 312, the second fastening portion 411 and the first fastening portion 3131 should be able to pass through the insertion hole 21, The two positioning portions 412 and the first positioning portion 3132 should be able to be fixed in the insertion hole 21, and the second stopping portion 413 and the first stopping portion 3133 should not pass through the insertion hole 21, and therefore, the tongue plate 311 and the limiting seat 312 The cross-sectional dimension of the second fastening portion 411 and the first fastening portion 3131 (the sum of the widths and the height) should not exceed the cross-sectional dimension of the insertion hole 21, The overall cross-sectional dimension of the second stop portion 413 and the first stop portion 3133 should be larger than the cross-sectional dimension of the insertion hole 21, and the overall cross-sectional dimensions of the second positioning portion 412 and the first positioning portion 3132 should not be smaller than the cross-sectional size of the insertion hole 21. For the purpose of positioning stability, in the embodiment, the second positioning portion 412 and the first positioning portion 3132 are interference-fitted with the insertion hole 21, and the overall positioning dimensions of the second positioning portion 412 and the first positioning portion 3132 are slightly larger than the insertion. The cross-sectional dimension of the hole 21.

The upper conductive terminal 42 is fixed to the upper terminal block 41, and the front portion thereof passes through the through hole 3121 on the upper side of the limiting seat 312, and is embedded in the terminal groove 3111 of the upper surface of the tongue plate 311. In order to better ensure that the upper conductive terminal 42 is in electrical contact with the conductive terminal of the USB plug, the upper conductive terminal 42 protrudes from the upper surface of the upper terminal block 41, that is, the height of the upper conductive terminal 42 is greater than the depth of the terminal slot 3111.

The upper terminal block 41 and the upper conductive terminal 42 are integrally molded by insert molding, which can realize automatic drawing and receiving, reduce the degree of manual participation, effectively improve the stability of the process and the production efficiency, thereby reducing the production cost. .

Referring to Figure 1, the fastening device 5 includes a top cover 51 and a bottom cover 52, wherein:

The top cover 51 is snap-fitted with the bottom cover 52, and the first fastening portion 3131 and the second fastening member are tightly wrapped therein, so that the upper terminal block 41 can be closely attached to the lower terminal block 313, thereby achieving the upper connection. The module 4 and the lower connection module 3 are fixed in one body.

One side of the top cover 51 and the bottom cover 52 abuts the limiting seat 312, and the other side abuts the front end edge of the insertion hole 21, such that the top cover 51, the bottom cover 52 and the first stopping portion 3133, the second end The blocking portions 413 cooperate with each other to realize the positioning of the upper connecting module 4 and the lower connecting module 3 in the front-rear direction. When the USB plug is inserted or removed, the upper connecting module 4 and the lower connecting module 3 are not opposite. It moves forward and backward on the insulating base 2.

The top of the top cover 51 is provided with a first clamping piece 511. The first clamping piece 511 abuts the upper surface of the insulating base 2, and the bottom of the bottom cover 52 is provided with a second clamping piece 521, and the second clamping piece The 521 abuts against the lower surface of the insulating base 2, such that the first clamping piece 511 and the second clamping piece 521 can generate a clamping force on the insulating base 2, and the clamping force causes the top cover 51 and the bottom cover 52 to be 52 The upper connection module 4 and the lower connection module 3 are more closely fixed on the insulating base 2, thereby preventing the upper connection module 4 and the lower connection module 3 from moving relative to the insulating base 2 (especially in the up and down direction) activity).

Referring to Figures 1 and 5, the assembly process of this creation is as follows:

First, the upper conductive terminal 42 of the upper connection module 4 is inserted into the terminal slot 3111 of the upper surface of the tongue 311 through the through hole 3121 of the upper side of the limiting seat 312, and the upper terminal block 41 is attached to the lower terminal block 313. Moreover, the front end thereof abuts against the rear end surface side of the limiting seat 312. At this time, the assembly of the upper connection module 4 and the lower connection module 3 is completed.

Then, the assembled upper connection module 4 and the lower connection module 3 are inserted into the insertion hole 21 of the insulating base 2, the tongue plate 311, the limiting seat 312, the second fastening portion 411 and the first fastening portion. 3131 extends out of the insertion hole 21, the second positioning portion 412 and the first positioning portion 3132 are located in the insertion hole 21, and the second stop portion 413 and the first stop portion 3133 abut against the periphery of the rear end of the insertion hole 21. At this time, the assembly of the upper connection module 4, the lower connection module 3, and the insulating base 2 is completed.

Then, the top cover 51 and the bottom cover 52 are respectively sleeved on the second fastening portion 411 and the first fastening portion 3131 from the upper and lower sides, and the top cover 51 and the bottom cover 52 are fastened. The mounting of the fastening device 5 is completed.

Finally, the outer casing 1 is placed over the insulating base 2, at which point the assembly process of the product is completed.

As can be seen from the above description, the upper conductive terminal 42 and the lower conductive terminal 32 are inserted into the upper connection module 4 and the lower connection module 3 by insert molding, and the terminal insertion process is not required during assembly, and the assembly is further improved. Simple and convenient, the production efficiency and product yield are improved; the insulating base 2, the upper connecting module 4 and the lower connecting module 3 adopt a split design, which greatly simplifies the structure of the plastic mold, improves the instability of the process, and is beneficial to improve Production efficiency and productivity of plastic molding.

The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, and any person skilled in the art can easily think of changes or within the technical scope disclosed in the present disclosure. Replacement should be covered by the scope of this creation. Therefore, the scope of protection of this creation should be based on the scope of protection of the request.

1‧‧‧Shell
2‧‧‧Insulated base
21‧‧‧ jack
3‧‧‧Under connection module
31‧‧‧ Lower body
311‧‧‧ tongue plate
3111‧‧‧Terminal slot
312‧‧‧Limited seat
3121‧‧‧through hole
313‧‧‧Lower terminal block
3131‧‧‧First fastening section
3132‧‧‧First Positioning Department
3133‧‧‧First stop
32‧‧‧lower conductive terminals
33‧‧‧Metal support piece
331‧‧‧Thickening holes
4‧‧‧Upper connection module
41‧‧‧Upper terminal block
411‧‧‧Second fastening
412‧‧‧Second Positioning Department
413‧‧‧Second stop
42‧‧‧Upper conductive terminal
5‧‧‧ fastening device
51‧‧‧Top cover
511‧‧‧First clamping piece
52‧‧‧ bottom cover
521‧‧‧Second clamping piece

Figure 1 is a schematic exploded view of the creation. FIG. 2 is a schematic structural view of a connection module according to the present invention. Figure 3 is an enlarged view of A in Figure 2. FIG. 4 is a schematic structural view of the connection module of the creation. Figure 5 is a schematic diagram of the overall structure of the present creation.

3‧‧‧Under connection module

31‧‧‧ Lower body

311‧‧‧ tongue plate

312‧‧‧Limited seat

313‧‧‧Lower terminal block

3131‧‧‧First fastening section

3132‧‧‧First Positioning Department

3133‧‧‧First stop

32‧‧‧lower conductive terminals

33‧‧‧Metal support piece

331‧‧‧Thickening holes

Claims (9)

A USB female connector includes a casing, an insulating base, an upper connecting module and a lower connecting module, wherein the insulating base is fixed in the outer casing, and the upper connecting module is connected to the lower The module is fixedly mounted on the insulating base; the upper connection module includes an upper terminal block and an upper conductive terminal integrally connected, and the upper conductive terminal is fixed on the upper terminal block; The connecting module includes a lower base body, a lower conductive terminal and a metal supporting piece, wherein the lower conductive terminal is fixed on the lower seat body, and the metal supporting piece is embedded in the lower seat. The upper terminal block is attached to the lower base body and mounted on the insulating base. A USB female connector according to claim 1, wherein the lower base body comprises a tongue plate, a limiting seat and a lower terminal block, and the tongue plate is connected to the lower terminal block through the limiting seat. The lower terminal block is attached to the upper terminal block and mounted on the insulating base, the lower conductive terminal is fixed on the lower terminal block, and the metal supporting piece is embedded in the tongue plate Inside. The USB female connector of claim 2, wherein the upper and lower surfaces of the tongue plate are provided with a terminal slot, and the upper and lower sides of the limiting seat are respectively provided with a terminal The through holes penetrating through the slots, the front ends of the upper conductive terminals and the lower conductive terminals respectively pass through the corresponding through holes, and are embedded in the corresponding terminal slots. A USB female connector according to claim 2 or 3, wherein the upper terminal block and the upper conductive terminal are integrally molded by insert molding, the tongue plate, the limiting seat, the lower terminal block, and the lower conductive terminal. And the metal support piece is integrally molded by insert molding. A USB female connector according to claim 2 or 3, wherein the insulating base is provided with a jack for allowing the tongue and the limiting seat to pass through, the lower terminal block and the upper terminal socket Placed in the jack. A USB female connector according to claim 5, wherein the lower terminal block includes a first fastening portion, a first positioning portion, and a first stopping portion that are sequentially widened from the front end to the rear end. , The terminal block includes a second fastening portion, a second positioning portion and a second stopping portion adapted to the lower terminal block, and the first fastening portion and the second fastening portion are extended The front end of the jack, the first positioning portion and the second positioning portion are fixed in the jack, and the first stopping portion and the second stopping portion abut on a rear end edge of the jack. A USB female connector as claimed in claim 6 wherein the overall cross-sectional dimensions of the first positioning portion and the second positioning portion are adapted to the cross-sectional dimensions of the receptacle. A USB female connector according to claim 6, further comprising a fastening device having a top cover and a bottom cover, the top cover being snap-fitted with the bottom cover and The first fastening portion and the second fastening portion are covered therein, one side of the top cover and the bottom cover abuts against the limiting seat, and the other side abuts against a front end edge of the insertion hole. A USB female connector according to claim 6, wherein a top of the top cover is provided with a first clamping piece, and the first clamping piece abuts on an upper surface of the insulating base. The bottom of the bottom cover is provided with a second clamping piece, and the second clamping piece abuts against the lower surface of the insulating base.